1. demulcent - Noun
2. demulcent - Adjective
3. demulcent - Adjective Satellite
Softening; mollifying; soothing; assuasive; as, oil is demulcent.
A substance, usually of a mucilaginous or oily nature, supposed to be capable of soothing an inflamed nervous membrane, or protecting it from irritation. Gum Arabic, glycerin, olive oil, etc., are demulcents.
Source: Webster's dictionary